[MD] Quick one: causation

[craigerb at comcast.net]

Compare:
On any given day, ice cream sales are 50% Vanilla,
30% Chocolate & 20% Strawberry.
What causes this?  Nothing--it's just that 50% of people prefer
V to C or S; 30% prefer C to V or S & 20% prefer S to V or C.
vs.
If you tap an egg with a toothpick it will break 1% of
the time, with a needle 5% of the time, with a pencil 95%
of the time.
What causes this?  Nothing--it just that the in 100 trials,
the toothpick breaks the egg 1 time, the needle 5 times &
the pencil 95 times.
Craig